Overview

overview

10

Static

static

Purchase Order.xlsx

windows7_x64

10

Purchase Order.xlsx

windows10_x64

1

Sharing

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General

  • Target

    Purchase Order.xlsx

  • Size

    290KB

  • Sample

    210927-h55zfafhej

  • MD5

    79dbf0cb4518f97174ee4535672a0a60

  • SHA1

    5dd9de078a0945c39431df3bcb44151637331353

  • SHA256

    b61d1249505ff6814c04662bba102938cda38a0062bd78e11839d24cead1f577

  • SHA512

    8f4b5e00c90f960d7b6d931267ec59f28e37a54248ab0bbae5bd94a2cc6ca294cd3ab0065eb8fde2ed32963e5976772ec2ec85f0e79c2635351f935d2d5f01af

Score
10/10
agentteslaneshtakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )fjqy!s9

Targets

    • Target

      Purchase Order.xlsx

    • Size

      290KB

    • MD5

      79dbf0cb4518f97174ee4535672a0a60

    • SHA1

      5dd9de078a0945c39431df3bcb44151637331353

    • SHA256

      b61d1249505ff6814c04662bba102938cda38a0062bd78e11839d24cead1f577

    • SHA512

      8f4b5e00c90f960d7b6d931267ec59f28e37a54248ab0bbae5bd94a2cc6ca294cd3ab0065eb8fde2ed32963e5976772ec2ec85f0e79c2635351f935d2d5f01af

    Score
    10/10
    agentteslaneshtakeyloggerpersistencespywarestealertrojan

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

      keyloggertrojanstealerspywareagenttesla

    • Detect Neshta Payload

    • Modifies system executable filetype association

      persistence

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks